The Pontiac Firebird Trans Am GTA is a 2 door coupé-bodied road car with a front mounted engine powering the rear wheels.
The power is produced by a naturally aspirated engine of 5 litre capacity. This unit features overhead valve valve gear, a 90 degree V 8 cylinder layout, and 2 valves per cylinder. It develops 225 bhp (228 PS/168 kW) of power at 4400 rpm, and maximum torque of 407 N·m (300 lb·ft/41.5 kgm) at 3200 rpm.
The engine transmits power to the wheels via a 5 speed manual gearbox.
Full specs
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| Carrosserie | |||
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| Carrosserie | 2+2 seater fixed-head coupé | ||
| Nombre de portes | 2 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2565 | 101 | |
| Voies AV | 1540 | 60.6 | |
| Voies AR | 1564 | 61.6 | |
| Longueur | 4867 | 191.6 | |
| Largeur | 1829 | 72 | |
| Hauteur | 1270 | 50 | |
| Garde au sol | |||
| 1.9 | |||
| Poids avec pleins | |||
| Répartition poids AV | |||
| Réservoir à essence | 58.7 litres | 12.9 [15.5] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | |||
| maître-couple | |||
| SCx | |||
| naturally aspirated petrol | |||
| Constructeur du moteur | GM | ||
| Type moteur | LB9 | ||
| Cylinders | V 8 in 90° vee | ||
| Cylindrée | 5 litre 5001 cc (305.18 cu in) |
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| Alésage × Course | 94.9 × 88.4 mm
3.74 × 3.48 in |
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| Rapport alésage / course | 1.07 | ||
| Distribution | overhead valve (OHV)
2 Soupapes par cylindre 16 Total vannes |
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| Puissance maximale | 228 PS (225 bhp) (168 kW) à 4400 tr/mn |
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| Couple maximale | 407 Nm (300 ft·lb) (41.5 kgm) à 3200 tr/mn |
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| Specific output | 33.5 kW/litre 45.6 ps/litre 45 bhp/litre 0.74 bhp/cu in |
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81.38 Nm/litre
0.98 ft·lb/cu3 |
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| Construction | cast iron block & head | ||
| Lubrification | Carter humide | ||
| Taux de compression | 9.3:1 | ||
| Carburant | Rochester electronic fuel injection | ||
| bmep (brake mean effective pressure) | 1022.7 kPa (148.3 psi) | ||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | 5 | ||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 625.13 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalyseur | Y | ||
| Performances | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Vitesse | |||
| Power-to-weight ratio | |||
| Weight-to-power ratio | |||
| Consommation | |||
| Consommation | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Emissions de CO₂ | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| Châssis | |||
| Emplacement de moteur | front | ||
| Engine layout | longitudinal | ||
| Traction | rear wheel drive | ||
| Répartition du couple | N/A | ||
| Direction | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Suspension AV | |||
| Suspension AR | |||
| Roues AV | 8J x 16 | ||
| Roues AR | 8J x 16 | ||
| Pneumatiques AV | Goodyear Eagle ZR50 Gatorback P245/50 ZR 16 | ||
| Pneumatiques AR | Goodyear Eagle ZR50 Gatorback P245/50 ZR 16 | ||
| Freins AV/AR | VeDi/Di-S | ||
| Diamètre des freins AV | 267 mm | ||
| Diamètre des freins AR | 297 mm | ||
| Braked area | |||
| Transmission | 5 speed manual | ||
| Rapport de démultiplication supérieure | 0.63 | ||
| Rapport de pont | 3.08 | ||
| Généralités | |||
| Carfolio.com ID | 462187 | ||
| Production total | |||
| Type mines | |||
| RAC rating | 44.7 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1989 Pontiac Firebird Trans Am GTA added 2016-03-21. Last modified 2020-03-16. |
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